306431 (1998 SR49)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5322410326 ± 8.50e-08
Semi-major axis (a)2.4818442801 AU ± 2.41e-08
Inclination (i)29.11711311° ± 1.40e-05
Long. of Asc. Node (Ω)21.15538191° ± 1.21e-05
Arg. of Perihelion (ω)54.76806777° ± 2.56e-05
Mean Anomaly (M)330.09300744° ± 4.04e-05
Mean Motion (n)0.2520870192°/day ± 3.68e-09
Perihelion dist (q)1.16090492 AU ± 2.11e-07
Aphelion dist (Q)3.80278364 AU ± 2.14e-07
Orbital Period3.90986528 yr ± 5.70e-08
Physical Parameters
H (abs. magnitude)17.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.378″
Uncertainty0
Orbit TypeAmor
MOID0.302248 AU
Observations Used132
Oppositions21
Arc Total1998-2026
First Observation Used1998-09-29
Last Observation Used2026-01-10
Observations (135)
Date Type RA Dec Mag Band Observatory
1998-09-29 08:55:01 C 04 55 04.82 +32 34 13.9 18.7 a 704
1998-09-29 09:12:46 C 04 55 07.11 +32 35 04.3 18.7 a 704
1998-09-29 09:30:27 C 04 55 10.00 +32 35 53.3 19.3 a 704
1998-09-29 09:48:08 C 04 55 12.49 +32 36 41.4 19.6 a 704
1998-09-29 10:05:49 C 04 55 15.05 +32 37 30.5 19.1 a 704
1998-09-30 00:01:15 C 04 57 25.90 +33 15 56.1 557
1998-09-30 00:03:05 C 04 57 26.18 +33 16 01.6 557
1998-09-30 01:37:22 C 04 57 40.80 +33 20 25.1 557
1998-09-30 02:15:55 C 04 57 46.78 +33 22 13.1 046
1998-09-30 02:17:09 C 04 57 46.97 +33 22 16.2 046
1998-09-30 02:18:29 C 04 57 47.17 +33 22 20.3 046
1998-09-30 02:19:44 C 04 57 47.35 +33 22 23.4 046
1998-09-30 12:01:09 C 04 59 19.64 +33 49 28.5 658
1998-09-30 12:03:57 C 04 59 20.04 +33 49 36.4 658
1998-09-30 12:07:54 C 04 59 20.62 +33 49 47.3 658
1998-10-01 18:29:07 C 05 04 18.04 +35 15 59.0 422
1998-10-01 18:30:10 C 05 04 18.21 +35 16 02.9 422
1998-10-01 18:31:16 C 05 04 18.36 +35 16 05.7 422
1998-10-02 10:19:37 C 05 06 58.76 +36 01 10.8 18.3 a 704
1998-10-02 10:38:09 C 05 07 01.85 +36 02 03.5 18.6 a 704
1998-10-02 10:41:22 C 05 07 02.19 +36 02 13.5 19.1 a 704
1998-10-02 10:59:53 C 05 07 05.29 +36 03 06.5 18.1 a 704
1998-10-02 11:03:08 C 05 07 05.76 +36 03 16.2 19.1 a 704
1998-10-02 11:21:35 C 05 07 08.76 +36 04 09.4 19.6 a 704
1998-10-02 11:24:46 C 05 07 09.65 +36 04 18.7 19.3 a 704
1998-10-02 11:46:39 C 05 07 12.67 +36 05 21.4 20.1 a 704
1998-10-02 15:02:45 C 05 07 47.77 +36 14 43.5 z 402
1998-10-02 15:08:46 C 05 07 48.84 +36 15 00.5 z 402
1998-10-02 17:29:37 C 05 08 12.24 +36 22 06.8 422
1998-10-02 17:30:41 C 05 08 12.49 +36 22 10.8 422
1998-10-02 17:31:43 C 05 08 12.62 +36 22 12.9 422
1998-10-02 17:32:42 C 05 08 12.74 +36 22 15.3 422
1998-10-02 19:05:59 C 05 08 28.79 +36 26 31.4 360
1998-10-02 19:09:29 C 05 08 29.38 +36 26 41.6 360
1998-10-02 19:12:44 C 05 08 29.90 +36 26 51.0 360
1998-10-14 00:02:19 C 06 06 24.98 +49 53 02.3 557
1998-10-14 00:03:54 C 06 06 25.41 +49 53 07.1 557
1998-10-14 00:05:30 C 06 06 25.86 +49 53 12.1 557
1998-10-19 12:57:10 C 06 47 02.35 +56 10 52.4 658
1998-10-19 12:59:38 C 06 47 03.11 +56 10 58.9 658
1998-10-19 13:02:09 C 06 47 04.01 +56 11 05.5 658
1998-10-20 03:10:16 C 06 52 01.05 +56 48 19.8 557
1998-10-20 03:11:38 C 06 52 01.47 +56 48 23.4 557
1998-10-20 03:12:59 C 06 52 01.92 +56 48 26.6 557
1998-10-28 22:10:14 C 08 21 42.61 +64 12 44.9 z 587
1998-10-28 22:14:45 C 08 21 44.79 +64 12 52.4 z 587
1998-10-28 22:21:30 C 08 21 48.06 +64 13 01.8 z 587
1998-10-29 18:35:45 C 08 31 48.99 +64 42 21.0 360
1998-10-29 18:39:44 C 08 31 50.96 +64 42 26.7 360
1998-10-29 18:42:59 C 08 31 52.46 +64 42 31.0 360